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HEAD FAILURE [11 records]

Record 1 2021-01-27

English

Subject field(s)
  • Anti-pollution Measures
  • Water Pollution
DEF

A... boom failure resulting from excessive current velocity [in which] the head wave formed upstream of the oil mass contained within a boom becomes unstable and oil droplets are torn off and become entrained in the water flow beneath the boom.

Key term(s)
  • droplet break away

French

Domaine(s)
  • Mesures antipollution
  • Pollution de l'eau
CONT

Les courants violents peuvent engendrer un deuxième type d'échappement, l'arrachement ou l'entraînement de gouttelettes. Dans ce cas, un bourrelet se constitue à la marge distale de la nappe retenue par la barrière; le courant déstabilise le bourrelet duquel il arrache et entraîne des gouttelettes. Si ces dernières ne sont pas suffisamment légères pour remonter sous la nappe, elles s'échappent sous la barrière.

Spanish

Save record 1

Record 2 2018-03-12

English

Subject field(s)
  • Animal Diseases
CONT

Acute selenium poisoning is known colloquially as "blind staggers" because affected animals are blind, wander aimlessly and often in circles, and show head pressing. The appetite may be depraved and abdominal pain is evidenced. The terminal stage is one of paralysis with death due to respiratory failure. Essentially the same picture is produced by the experimental oral dosing of sheep with sodium selenite but dilation of the pupils and cyanosis are also present.

French

Domaine(s)
  • Maladies des animaux
CONT

Certaines plantes sont capables d'accumuler dans leurs tissus de fortes quantités de sélénium; les animaux qui les consomment (chevaux, bovins, porcins; les moutons semblent réfractaires), présentent des modification des poils, des sabots, et les volailles donnent des œufs à faible taux d'éclosion et à monstruosités embryonnaires, lors d'intoxication chronique. L'intoxication aiguë, appelée «Blind staggers» est caractérisé par des coliques, des paralysies, et une haute mortalité.

Spanish

Campo(s) temático(s)
  • Enfermedades de los animales
DEF

[Mal] que afecta [...] a rumiantes, causado por consumo de plantas que contienen selenio en forma de compuestos hidrosolubles, [en la] fase inicial de la enfermedad los [animales] enfermos [...] vagan sin rumbo y pierden la vista, [luego] se presenta anorexia, trastorno de la deglución, parálisis de la lengua y, al progresar la enfermedad, ataxia y trastornos respiratorios premortales.

CONT

El envenenamiento del ganado con selenio produce dos grandes cuadros patológicos, el tipo crónico y el agudo o subagudo. El tipo crónico es la llamada enfermedad alcalina […] el tipo agudo se ha denominado ceguera tambaleante (blind staggers) […]

Save record 2

Record 3 2016-03-11

English

Subject field(s)
  • Rolling Stock (Railroads)
  • Freight Service (Rail Transport)
CONT

This failure rate again demonstrates the poor performance in derailments of general-service Class 111 tank cars that are built to minimum requirements, and highlights the inability of these tank cars to withstand accident forces. Commodities posing significant risk must be shipped in safe containers, which include defences such as stronger tank shells, tank car jackets, full-height head shields, thermal protection, and high-capacity PRDs [pressure relief devices].

French

Domaine(s)
  • Matériel roulant (Chemins de fer)
  • Trafic marchandises (Transport par rail)

Spanish

Save record 3

Record 4 2013-06-14

English

Subject field(s)
  • PAJLO
  • Property Law (common law)
CONT

Escheat therefore being a title frequently vested in the lord by inheritance, as being the fruit of a signiory to which he was entitled by descent, it may seem in such cases to fall more properly under the head of acquiring title to estates, viz, by descent, by purchase. But it must be remembered that, in order to complete this title by escheat, it is necessary that the lord perform an act of his own, by entering on the lands and tenements so escheated, or suing out a writ of escheat, on failure of which, or by doing any act that amounts to an implied waiver of his right, as by accepting homage or rent of stranger who usurps the possession, his title by escheat is barred. It is therefore in some respect a title acquired by his own act, as well as by act of law.(Blackstone, Book II, p. 244)

French

Domaine(s)
  • PAJLO
  • Droit des biens et de la propriété (common law)
OBS

Dans certains contextes, l'expression «acquisition de titre par déshérence» conviendrait mieux.

OBS

titre acquis par déshérence : terme normalisé par le Comité de normalisation dans le cadre du Programme national de l'administration de la justice dans les deux langues officielles (PAJLO).

Spanish

Save record 4

Record 5 2011-07-19

English

Subject field(s)
  • Nervous System
DEF

An autosomal recessive disease, usually of childhood onset, characterized pathologically by degeneration of the spinocerebellar tracts, posterior columns, and to a lesser extent the corticospinal tracts.

OBS

Clinical manifestations include gait ataxia, pes cavus, speech impairment, lateral curvature of spine, rhythmic head tremor, kyphoscoliosis, congestive heart failure(secondary to a cardiomyopathy), and lower extremity weakness. This condition is associated with a mutation of the frataxin gene on chromosome 9, which codes for a mitochondrial protein.

French

Domaine(s)
  • Système nerveux
DEF

Maladie héréditaire, transmise sur un mode autosomique récessif, causée par une dégénérescence spinocérébelleuse (atteinte des voies allant du cervelet à la moelle épinière). D'évolution progressive, elle comporte trois syndromes (radiculocordonal postérieur, cérébelleux et pyramidal). Elle est essentiellement caractérisée par des troubles de la marche et de l'équilibre, l'incoordination des membres supérieurs, l'élocution difficile, la faiblesse musculaire.

Spanish

Save record 5

Record 6 2011-05-20

English

Subject field(s)
  • Environmental Studies and Analyses
  • Effects of Heat (Energy Transfer)
  • Characteristics of Coal
  • Chemical Engineering
DEF

Those products, exclusive of moisture, that are liberated by a material as gas and vapor, determined by definite prescribed methods which may vary according to the nature of the material.

OBS

In the case of coal and coke, the methods employed are those prescribed in ASTM Designation D271.

OBS

The residue is termed a coke button (in French: "bouton de coke").

CONT

It is often difficult to determine the exact cause of digester problems. Monitoring volatile solids loading, total gas production, volatile acids concentration in the digesting sludge, and percentage of carbon dioxide in the head gases are the methods most frequently employed to give advance warning of pending failure.

CONT

A sample is heated to approximately 900°C so that all the oxygen, hydrogen, sulfur and nitrogen are released as volatile matter (VM). The amount of residual char remaining is inversely proportional to the volatile matter and is called the amount of fixed carbon (FC).

OBS

volatile solid: usually used in the plural, collectively.

Key term(s)
  • volatile solid

French

Domaine(s)
  • Études et analyses environnementales
  • Effets de la chaleur (Transfert de l'énergie)
  • Caractéristiques des charbons
  • Génie chimique
CONT

Le contrôle régulier de la réduction des matières volatiles réalisée par la digestion est, avec celui de la quantité de gaz produit, la valeur chiffrée la plus aisée d'emploi pour l'établissement de statistiques de fonctionnement d'un poste de digestion.

OBS

matières volatiles; substances volatiles : pluriels d'usage.

Key term(s)
  • matière volatile
  • substance volatile

Spanish

Save record 6

Record 7 2001-04-01

English

Subject field(s)
  • International Bodies and Committees
  • Committees and Boards (Admin.)
OBS

The ESA Alert Committee, chaired by the Head of the Product Assurance & Safety Department, ESTEC, has overall responsibility to decide whether or not an identified failure or problem should be published as an ESA Alert.

French

Domaine(s)
  • Organismes et comités internationaux
  • Comités et commissions (Admin.)

Spanish

Save record 7

Record 8 1997-07-14

English

Subject field(s)
  • Hearing
CONT

In a sagittal plane localization experiment, listeners(N=8) were required to localize a train of eight clicks that originated from a source that was either directly in front, overhead, or behind. Click trains were made from 25-(mu) s pulses, separated by 110 ms, and were presented in an anechoic room.... All listeners except one showed a level disadvantage : The localization error rate increased with increasing level, on the average by a factor of 10 over the range of levels. It was conjectured that the level disadvantage arises from a failure of the auditory system to resolve details of the spectral shaping caused by pinna, head, and upper torso in the case of a high-level pulse.... This conjecture was tested in headphone experiments on filtered click discrimination.

French

Domaine(s)
  • Ouïe

Spanish

Save record 8

Record 9 1986-06-25

English

Subject field(s)
  • Geophysics
CONT

Water carry-over into the mains could be due to too small a waste discharge orifice coupled with a sticking ball check valve, or by the failure of the high level spill device in the head tank of a hot water transmission system.

French

Domaine(s)
  • Géophysique

Spanish

Save record 9

Record 10 1982-08-30

English

Subject field(s)
  • Deep Foundations
OBS

Head Failures. Head failure may be prevented by banding. Ill effects from slight irregularities in the pile head may be reduced by use of a thin layer of cushioning material, although an excessive amount would affect the sets.

French

Domaine(s)
  • Fondations profondes
OBS

Rupture de la tête des pieux. - Un frettage suffit en général à l'éviter. Les conséquences nuisibles d'une certaine irrégularité de la tête du pieu peuvent également être évitées par interposition d'un tampon de bois de faible épaisseur.

Spanish

Save record 10

Record 11 1976-06-19

English

Subject field(s)
  • Riveting (Metals)

French

Domaine(s)
  • Rivetage (Métallurgie)

Spanish

Save record 11

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